In order to make it grow well, it is recommended to apply nitrogen fertilizer every other month during its growth.
Use the fertilizer that oneself make is the best, after pounding peanut or soybean, bury in flowerpot OK, also can bubble after soybean or peanut rotten, bury on earth fertilization..
In late autumn, in order to make the keel flower absorb more nutrients, about 30 pieces of compound fertilizer are buried beside the flowerpot, so that in winter, it can enhance its frost resistance. At the same time, less water to ensure that the basin soil is dry, which can improve the cold resistance of keel flower.
Fertilizer can be applied once a month or so in winter. But in order not to rot roots, when using fertilizer should not be too thick, appropriate. Keel flower winter can not apply fertilizer, fertilization should be as little as possible, can prevent fertilizer damage.
Note: keels are easy to turn yellow in the sun, so it's best to put them in a cool environment in summer. But in winter, it should be placed in a place with good light, such as a place with light indoors, in an environment of 10 ℃ or above
Keel flower is a kind of drought resistant plant, so when watering it, you need a proper amount. In summer, the watering time is about 5 days. If the basin soil is too wet, the root will rot. In winter, the watering time can be extended in 1-2 months.